xref: /petsc/gmakefile (revision c97397e80cf56e6d8487287ed15923a3253ad49b)
1# -*- mode: makefile-gmake -*-
2
3include $(PETSC_DIR)/conf/variables
4
5OBJDIR := $(PETSC_ARCH)/obj-gmake
6LIBDIR := $(abspath $(PETSC_ARCH)/lib)
7
8pkgs := sys vec mat dm ksp snes ts
9
10libpetsc_shared := $(LIBDIR)/libpetsc.so
11libpetsc_static := $(LIBDIR)/libpetsc.$(AR_LIB_SUFFIX)
12libpetscpkgs_shared := $(foreach pkg, $(pkgs), $(LIBDIR)/libpetsc$(pkg).so)
13libpetscpkgs_static := $(foreach pkg, $(pkgs), $(LIBDIR)/libpetsc$(pkg).$(AR_LIB_SUFFIX))
14
15ifeq ($(PETSC_WITH_EXTERNAL_LIB),)
16  libpetscall_shared := $(libpetscpkgs_shared)
17  libpetscall_static := $(libpetscpkgs_static)
18else
19  libpetscall_shared := $(libpetsc_shared)
20  libpetscall_static := $(libpetsc_static)
21endif
22libpetscall := $(if $(filter-out no,$(BUILDSHAREDLIB)),$(libpetscall_shared),$(libpetscall_static))
23
24generated := $(PETSC_ARCH)/conf/files
25
26all : $(generated) $(libpetscall)
27
28.SECONDEXPANSION:		# to expand $$(@D)/.DIR
29
30#workarround old cygwin versions
31ifeq ($(PETSC_CYGWIN_BROKEN_PIPE),1)
32ifeq ($(shell basename $(AR)),ar)
33  V ?=1
34endif
35endif
36ifeq ($(V),)
37  quiet_HELP := "Use \"$(MAKE) V=1\" to see the verbose compile lines.\n"
38  quiet = @printf $(quiet_HELP)$(eval quiet_HELP:=)"  %10s %s\n" "$1$2" "$@"; $($1)
39else ifeq ($(V),0)		# Same, but do not print any help
40  quiet = @printf "  %10s %s\n" "$1$2" "$@"; $($1)
41else				# Show the full command line
42  quiet = $($1)
43endif
44
45$(PETSC_ARCH)/conf/files :
46	$(PYTHON) conf/gmakegen.py --petsc-arch=$(PETSC_ARCH)
47
48-include $(generated)
49
50ifeq ($(PETSC_LANGUAGE),CXXONLY)
51  cc_name := CXX
52else
53  cc_name := CC
54endif
55
56PETSC_DEPFLAGS.c := -MMD -MP
57PETSC_DEPFLAGS.cxx := -MMD -MP
58PETSC_DEPFLAGS.F := -MMD -MP
59
60PETSC_COMPILE.c = $(call quiet,$(cc_name)) -c $(PCC_FLAGS) $(CFLAGS) $(CCPPFLAGS) $(PETSC_DEPFLAGS.c)
61PETSC_COMPILE.cxx = $(call quiet,CXX) -c $(PCC_FLAGS) $(CFLAGS) $(CCPPFLAGS) $(PETSC_DEPFLAGS.cxx)
62PETSC_COMPILE.cu = $(call quiet,CUDAC) -c $(CUDAC_FLAGS) --compiler-options="$(PCC_FLAGS) $(CXXFLAGS) $(CCPPFLAGS)"
63PETSC_GENDEPS.cu = $(call quiet,CUDAC,.dep) --generate-dependencies $(CUDAC_FLAGS) --compiler-options="$(PCC_FLAGS) $(CXXFLAGS) $(CCPPFLAGS)"
64PETSC_COMPILE.F = $(call quiet,FC) -c $(FC_FLAGS) $(FFLAGS) $(FCPPFLAGS) $(PETSC_DEPFLAGS.F)
65
66langs := c cu cxx F
67concatlang = $(foreach lang, $(langs), $(srcs-$(1).$(lang):%.$(lang)=$(OBJDIR)/%.o))
68srcs.o := $(foreach pkg, $(pkgs), $(call concatlang,$(pkg)))
69
70# with-single-library=1 (default)
71$(libpetsc_shared) : $(srcs.o) | $$(@D)/.DIR
72	$(call quiet,CLINKER) -shared -o $@ $^ $(PETSC_EXTERNAL_LIB_BASIC)
73
74$(libpetsc_static) : obj := $(srcs.o)
75
76define ARCHIVE_RECIPE_WIN32FE_LIB
77  @$(RM) $@ $@.args
78  @cygpath -w $^ > $@.args
79  $(call quiet,AR) $(AR_FLAGS) $@ @$@.args
80  @$(RM) $@.args
81endef
82
83define ARCHIVE_RECIPE_DEFAULT
84  @$(RM) $@
85  $(call quiet,AR) $(AR_FLAGS) $@ $^
86  $(call quiet,RANLIB) $@
87endef
88
89%.$(AR_LIB_SUFFIX) : $$(obj) | $$(@D)/.DIR
90	$(if $(findstring win32fe lib,$(AR)),$(ARCHIVE_RECIPE_WIN32FE_LIB),$(ARCHIVE_RECIPE_DEFAULT))
91
92# with-single-library=0
93libpkg = $(foreach pkg, $1, $(LIBDIR)/libpetsc$(pkg).so)
94$(LIBDIR)/libpetscsys.so  : obj    := $(call concatlang,sys)
95$(LIBDIR)/libpetscvec.so  : obj    := $(call concatlang,vec)
96$(LIBDIR)/libpetscvec.so  : libdep := $(call libpkg,sys)
97$(LIBDIR)/libpetscmat.so  : obj    := $(call concatlang,mat)
98$(LIBDIR)/libpetscmat.so  : libdep := $(call libpkg,vec sys)
99$(LIBDIR)/libpetscdm.so   : obj    := $(call concatlang,dm)
100$(LIBDIR)/libpetscdm.so   : libdep := $(call libpkg,mat vec sys)
101$(LIBDIR)/libpetscksp.so  : obj    := $(call concatlang,ksp)
102$(LIBDIR)/libpetscksp.so  : libdep := $(call libpkg,dm mat vec sys)
103$(LIBDIR)/libpetscsnes.so : obj    := $(call concatlang,snes)
104$(LIBDIR)/libpetscsnes.so : libdep := $(call libpkg,ksp dm mat vec sys)
105$(LIBDIR)/libpetscts.so   : obj    := $(call concatlang,ts)
106$(LIBDIR)/libpetscts.so   : libdep := $(call libpkg,snes ksp dm mat vec sys)
107$(LIBDIR)/libpetscsys.$(AR_LIB_SUFFIX)  : $(call concatlang,sys)
108$(LIBDIR)/libpetscvec.$(AR_LIB_SUFFIX)  : $(call concatlang,vec)
109$(LIBDIR)/libpetscmat.$(AR_LIB_SUFFIX)  : $(call concatlang,mat)
110$(LIBDIR)/libpetscdm.$(AR_LIB_SUFFIX)   : $(call concatlang,dm)
111$(LIBDIR)/libpetscksp.$(AR_LIB_SUFFIX)  : $(call concatlang,ksp)
112$(LIBDIR)/libpetscsnes.$(AR_LIB_SUFFIX) : $(call concatlang,snes)
113$(LIBDIR)/libpetscts.$(AR_LIB_SUFFIX)   : $(call concatlang,ts)
114
115# The package libraries technically depend on each other (not just in an order-only way), but only
116# ABI changes like new or removed symbols requires relinking the dependent libraries.  ABI should
117# only occur when a header is changed, which would trigger recompilation and relinking anyway.
118# RELINK=1 causes dependent libraries to be relinked anyway.
119ifeq ($(RELINK),1)
120  libdep_true = $$(libdep)
121  libdep_order =
122else
123  libdep_true =
124  libdep_order = $$(libdep)
125endif
126$(libpetscpkgs_shared) : $$(obj) $(libdep_true) | $(libdep_order) $$(@D)/.DIR
127	$(call quiet,CLINKER) -shared -o $@ $(obj) $(libdep) $(PETSC_EXTERNAL_LIB_BASIC)
128
129$(OBJDIR)/%.o : %.c | $$(@D)/.DIR
130	$(PETSC_COMPILE.c) $< -o $@
131
132$(OBJDIR)/%.o : %.cxx | $$(@D)/.DIR
133	$(PETSC_COMPILE.cxx) $< -o $@
134
135$(OBJDIR)/%.o : %.cu | $$(@D)/.DIR
136	$(PETSC_COMPILE.cu) $< -o $@ # Compile first so that if there is an error, it comes from a normal compile
137	@$(PETSC_GENDEPS.cu) $< -o $(@:%.o=%.d) # Generate the dependencies for later
138
139$(OBJDIR)/%.o : %.F | $$(@D)/.DIR
140	$(PETSC_COMPILE.F) $< -o $@ $(FC_MODULE_OUTPUT_FLAG)$(PETSC_ARCH)/include
141
142%/.DIR :
143	@mkdir -p $(@D)
144	@touch $@
145
146.PRECIOUS: %/.DIR
147
148.SUFFIXES: # Clear .SUFFIXES because we don't use implicit rules
149.DELETE_ON_ERROR:               # Delete likely-corrupt target file if rule fails
150
151.PHONY: clean all print
152
153clean:
154	rm -rf $(OBJDIR) $(LIBDIR)/libpetsc* $(PETSC_ARCH)/include/*.mod $(generated)
155
156# make print VAR=the-variable
157print:
158	@echo $($(VAR))
159
160allobj.d := $(srcs.o:%.o=%.d)
161# Tell make that allobj.d are all up to date.  Without this, the include
162# below has quadratic complexity, taking more than one second for a
163# do-nothing build of PETSc (much worse for larger projects)
164$(allobj.d) : ;
165
166-include $(allobj.d)
167